docs: def convertSteamVRMatrixToMatrix4(self, matPose):
          "Purpose: Converts a SteamVR matrix to our local matrix class"
          matrixObj = Matrix4( [
          [matPose.m[0][0], matPose.m[1][0], matPose.m[2][0], 0.0],
          [matPose.m[0][1], matPose.m[1][1], matPose.m[2][1], 0.0],
          [matPose.m[0][2], matPose.m[1][2], matPose.m[2][2], 0.0],
          [matPose.m[0][3], matPose.m[1][3], matPose.m[2][3], 1.0] ] ) 
          return matrixObj